Malachi Pearson

Casper (voice)

Joe Nipote

Stretch (voice)

Joe Alaskey

Stinkie (voice)

Brad Garrett

Fatso (voice)

Jess Harnell

Fatso (voice)

Dan Castellaneta

Dr. Harvey (voice)

Kath Soucie

Kat (voice)

Rob Paulsen

Spooky (voice)

Miriam Flynn

Poil (voice)

Tress MacNeille

Miss Banshee (voice)

Christine Cavanaugh

Badger Boy (voice)

Susan Tolsky

Librarian (voice)